Tizanidine, also sold under the trade names Zanaflex and Sirdalud (Sun Pharma) among several others, is a short acting muscle relaxer. It falls under the pain relief category of drugs as it functions by obstructing nerve impulses (pain sensations) that are sent to the brain

Celecoxib is a NSAID that is preferably used for bringing relief from various kinds of pains and swelling. Like osteoarthritis, rheumatoid arthritis, acute pain, spondylitis, painful menstruation and, post operative pains like those caused by injuries, dental procedures and surgery etc.